/* Раздел статей — стили в соответствии с DESIGN_GUIDE и ui-system.css */

/* Блог-лейаут: слева — сайдбар со статьями, справа — основной контент */
.articles-blog-layout {
  display: grid;
  gap: 1.5rem 2rem;
  color: var(--app-text);
}

@media (min-width: 992px) {
  .articles-blog-layout {
    grid-template-columns: 280px 1fr;
    grid-template-areas: "sidebar main";
  }
}

@media (max-width: 991px) {
  .articles-blog-layout {
    grid-template-columns: 1fr;
    grid-template-areas: "main" "sidebar";
  }
}

.articles-sidebar {
  grid-area: sidebar;
}

.articles-main {
  grid-area: main;
  min-width: 0; /* предотвращает overflow */
}

.articles-sidebar-card {
  padding: 1.25rem;
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-lg);
  box-shadow: var(--app-shadow-soft);
}

.articles-sidebar__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--app-text);
}

.articles-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.articles-sidebar-list__item {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--app-border);
}

.articles-sidebar-list__item:last-child {
  border-bottom: none;
}

.articles-sidebar-list__item a {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--app-text);
  text-decoration: none;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.articles-sidebar-list__item a:hover {
  color: var(--app-primary);
}

.articles-sidebar-list__item a:focus-visible {
  outline: 2px solid rgba(31, 91, 149, 0.35);
  outline-offset: 2px;
  border-radius: 2px;
}

.articles-sidebar-list__item--current a {
  color: var(--app-primary);
  font-weight: 600;
}

@media (min-width: 992px) {
  .articles-sidebar-card {
    position: sticky;
    top: 6rem;
  }
}

.articles-page {
  color: var(--app-text);
}

.articles-page .articles-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.articles-page .articles-hero::after {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--app-primary-soft) 0%, rgba(232, 241, 251, 0) 70%);
  pointer-events: none;
}

.articles-chip {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.85rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--app-border);
  background: #fff;
  color: var(--app-primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.articles-hero__title {
  position: relative;
  z-index: 1;
  margin: 0;
  font-size: clamp(1.7rem, 3.8vw, 2.5rem);
  line-height: 1.16;
}

.articles-hero__lead {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0.8rem 0 0;
  color: var(--app-muted);
  font-size: 1.03rem;
}

.articles-hero__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.articles-btn-outline {
  border-radius: 999px;
  border-color: var(--app-border);
  color: var(--app-text);
  font-weight: 600;
}

.articles-btn-outline:hover {
  border-color: var(--app-primary);
  background: var(--app-primary-soft);
  color: var(--app-primary);
}

.articles-btn-outline:focus-visible {
  outline: 2px solid rgba(31, 91, 149, 0.4);
  outline-offset: 2px;
}

/* Блог-стиль: список статей без карточек и фото */
.articles-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.articles-list__item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--app-border);
}

.articles-list__item:first-child {
  padding-top: 0;
}

.articles-list__item:last-child {
  border-bottom: none;
}

.articles-list__entry {
  display: block;
}

.articles-list__title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
}

.articles-list__title a {
  color: var(--app-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

.articles-list__title a:hover {
  color: var(--app-primary);
}

.articles-list__title a:focus-visible {
  outline: 2px solid rgba(31, 91, 149, 0.35);
  outline-offset: 2px;
  border-radius: 2px;
}

.articles-list__excerpt {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--app-muted);
  line-height: 1.5;
}

.articles-list__link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--app-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.articles-list__link:hover {
  color: #1a4f7f;
}

.articles-list__link:focus-visible {
  outline: 2px solid rgba(31, 91, 149, 0.35);
  outline-offset: 2px;
  border-radius: 2px;
}

.articles-list__link::after {
  content: "";
  display: inline-block;
  width: 0.35em;
  height: 0.35em;
  border-right: 2px solid currentColor;
  border-top: 2px solid currentColor;
  transform: rotate(45deg);
}

/* Страница отдельной статьи */
.article-detail-page {
  color: var(--app-text);
}

.article-detail-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.article-detail-breadcrumb a {
  color: var(--app-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.article-detail-breadcrumb a:hover {
  color: var(--app-primary);
}

.article-detail-breadcrumb span {
  color: var(--app-muted);
}

.article-detail-breadcrumb .article-detail-breadcrumb__current {
  color: var(--app-text);
}

.article-detail-card {
  padding: clamp(1.25rem, 2.5vw, 2.5rem);
}

.article-detail-card__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--app-text);
  line-height: 1.25;
}

.article-detail-card__image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--app-border);
}

.article-detail-card .article-content {
  color: var(--app-text);
  line-height: 1.65;
}

.article-detail-card .article-content h2,
.article-detail-card .article-content h3 {
  margin: 1.5rem 0 0.75rem;
  color: var(--app-text);
}

.article-detail-card .article-content p {
  margin: 0 0 1rem;
}

.article-detail-card .article-content a {
  color: var(--app-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-detail-card .article-content a:hover {
  color: #1a4f7f;
}

.article-detail-card .article-content ul,
.article-detail-card .article-content ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}

.article-detail-card .article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.article-detail-footer {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--app-border);
}

@media (min-width: 768px) {
  .article-detail-footer {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.article-detail-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-weight: 600;
  color: var(--app-primary);
  background: transparent;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.article-detail-back:hover {
  border-color: var(--app-primary);
  background: var(--app-primary-soft);
  color: var(--app-primary);
}

.article-detail-back:focus-visible {
  outline: 2px solid rgba(31, 91, 149, 0.35);
  outline-offset: 2px;
}

.article-detail-date {
  font-size: 0.9rem;
  color: var(--app-muted);
}

.articles-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  text-align: center;
}

@media (max-width: 768px) {
  .articles-list__item {
    padding: 1rem 0;
  }

  .articles-hero__actions .btn {
    width: 100%;
  }
}